Antihistamines can cause drowsiness, which might help you fall asleep for a few nights — but routine use of antihistamines for insomnia isn't recommended.
In fact, most over-the-counter sleep aids contain antihistamines.
Flowers spawn in a golden yellow hue, hanging in clusters with accompanying winged seeds.
Kratom is very closely related to the coffee plant.
Kratom is a versatile herb that provides stimulating effects in light doses, natural pain relief in medium doses, and sedating effects in heavier doses.
It reactes with the opioid receptors in the brain, and thus has soothing effects that are often compared to opium or morphine…yet can have a cocaine type of stimulating effect in lower doses.
Most of the trials were short at just one or two nights' duration, involved only a small number of patients and used poorly described methodology.
Chlorphenamine is called a sedating antihistamine because it enters the brain in significant quantities and causes drowsiness.
Most people prefer to take a non-drowsy antihistamine instead of a sedating one.
Drowsiness is one of the major side effects of some antihistamines, such as diphenhydramine (Benadryl) and doxylamine succinate (the antihistamine found in Nyquil).
Author information: (1)Department of Neurology, Georgetown University School of Medicine, Washington, DC 20007, USA.
The usual dosage for adults younger than 65 and children who are 6 years and older is one 10-milligram (mg) dose per day. Your doctor may recommend a 5-mg dose once or twice per day if your allergies are mild.